Finding the Fourth Proportional to 1,337,477,420.70, 2,004,302,943.45 and 984,972,605.40
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Solution
The fourth proportional to 1,337,477,420.70, 2,004,302,943.45 and 984,972,605.40 is: 1,476,049,959.17
Step by Step Solution
- Step 1: Write the proportion equation
1,337,477,420.70 : 2,004,302,943.45 = 984,972,605.40 : x - Step 2: Convert to fraction form
1,337,477,420.70/2,004,302,943.45 = 984,972,605.40/x - Step 3: Cross multiply
1,337,477,420.70x = 2,004,302,943.45 × 984,972,605.40 - Step 4: Simplify right side
1,337,477,420.70x = 1,974,183,492,220,835,328 - Step 5: Solve for x
x = 1,974,183,492,220,835,328/1,337,477,420.70 - Step 6: Final answer
x = 1,476,049,959.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.